DATA BACKUP METHOD FOR ELECTRONIC PRIVATE BRANCH EXCHANGE

PURPOSE:To recover a state even when an address is changed by saving data in a pair of values set in a data item in a storage medium when the data base is recorded on the storage medium, and writing a stored value based on the pair of values when the data is returned to the data base. CONSTITUTION:W...

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Bibliographic Details
Main Author ONO ETSUKO
Format Patent
LanguageEnglish
Published 31.01.1991
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
SELECTING
TELEPHONIC COMMUNICATION
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